Duramax Diesels Forum Truck of the Week
  #121  
Old 12-23-2015, 09:00 PM
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mike diesel mike diesel is offline
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Mine have been living comfortably at around 1150whp. I've ran all sorts of different air and fuel setups on these pistons. Been ran at 3000us on 30% injectors, 2750us on 100% injectors and 2600us on 175% injectors. Nozzles have all been from either industrial injection or extrude hone. Have had single 72mm, 72/88 compounds, 75/88 compounds, 75/98 compounds and currently now 75/106 compounds.

Heads will be off here in a few weeks for new gaskets, I'll post some pics of how the pistons look.
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  #122  
Old 12-23-2015, 10:48 PM
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Quote:
Originally Posted by mike diesel View Post
Mine have been living comfortably at around 1150whp. I've ran all sorts of different air and fuel setups on these pistons. Been ran at 3000us on 30% injectors, 2750us on 100% injectors and 2600us on 175% injectors. Nozzles have all been from either industrial injection or extrude hone. Have had single 72mm, 72/88 compounds, 75/88 compounds, 75/98 compounds and currently now 75/106 compounds.

Heads will be off here in a few weeks for new gaskets, I'll post some pics of how the pistons look.
Interested to see how Pistons held up
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LBZ CCSB 4x4. deleted. re-routed. shimmed. EFI by Kory 4" MBRP downpipe-back w/Corsa. Alligator trans cooler hoses. 3" Pro-Fab downpipe. Transgo Jr. Banks ram air intake. MA pump rub fix. Rare Parts tie rods. Fumoto Valve. AirDog 150. Nicktane CAT filter adapter. SoCal 3388AF. ProFab charge pipe & Y-bridge. Mahle +0.020 pistons. Keyed cam & crank. ARP head studs, main studs, flywheel. Rotating assembly balanced. Merchant Auto motor mounts.

10/30/14- cracked piston
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  #123  
Old 12-23-2015, 11:47 PM
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Originally Posted by mike diesel View Post
Mine have been living comfortably at around 1150whp. I've ran all sorts of different air and fuel setups on these pistons. Been ran at 3000us on 30% injectors, 2750us on 100% injectors and 2600us on 175% injectors. Nozzles have all been from either industrial injection or extrude hone. Have had single 72mm, 72/88 compounds, 75/88 compounds, 75/98 compounds and currently now 75/106 compounds.

Heads will be off here in a few weeks for new gaskets, I'll post some pics of how the pistons look.
You have too much time and money...
Glad you're here



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  #124  
Old 12-24-2015, 01:47 PM
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For what it is worth, we are running 5,582psi on Brett's Race Cast Oval bowl pistons with his current setup that he has been running for the past couple years. This pressure was made at the tune of 1447hp 2304ftlbs @88psi boost on 2275us 26*peak.
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06 LBZ "White Lightning" 2wd rclb DP built motor Carillo, 15.25:1 "Finger" Oval Pistons w/reliefs, Socal Titanium upgraded springs on Stock heads w/Socal Billet injector holddowns,ARP, head-main-rocker studs,Soca Billet mains& Dampner, Chromoly pushrds, DP B72mmstg2R1VGT/StainlessDiesel S472/87 1.0SS triples, DHD Cast SuperHighflow intake, Exergy 14mmCP3 & 250%inj,Fass, PPE Race Valve PPE Manifolds, Banks Technicooler, AFE Boost tube, SC GMax6 Goerend "G" Grizzly Locker 3.42 gears, 1198+++hp 2k+ftlbs
Current fastest pass 1.520 60ft 6.705@108.95mph 1/8th 10.242@140.11mph
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Made it on fastest DMax list with Single VGT and single cp3 fuel only! 1.589 60ft 6.9291@103mph 1/8th 10.96@127.76mph
Stock motor best 11.277@119mph B68mmStg2R 250%inj 12mmcp3

Wife's tow rig-08 LMM SierraHD SLT2 "Stormy" CCSB murdered out B68mm Stg2R
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  #125  
Old 12-24-2015, 04:55 PM
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Hell yea Mark

Are you trying to lower pressure on the new setup?
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  #126  
Old 12-25-2015, 12:19 AM
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Quote:
Originally Posted by MarkBroviak View Post
For what it is worth, we are running 5,582psi on Brett's Race Cast Oval bowl pistons with his current setup that he has been running for the past couple years. This pressure was made at the tune of 1447hp 2304ftlbs @88psi boost on 2275us 26*peak.
WOW!!
Nice numbers!!!
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  #127  
Old 01-02-2016, 04:09 PM
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Had my heads off this weekend. Roughly 6000 miles on the motor. Probably 50+ 1/4 mile passes on it and just about every street mile is very aggresive. Pistons looked great. 1800+ EGT's and 85 psi boost.

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  #128  
Old 01-02-2016, 04:37 PM
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Jon, I am looking at getting a block honed in preparation for a set, what bore spec do you recommend for your pistons. Just not sure if I will need to bore it , or spec to shoot for.
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  #129  
Old 01-02-2016, 06:31 PM
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Quote:
Originally Posted by mike diesel View Post
Had my heads off this weekend. Roughly 6000 miles on the motor. Probably 50+ 1/4 mile passes on it and just about every street mile is very aggresive. Pistons looked great. 1800+ EGT's and 85 psi boost.

Looks like most of the fuel stayed in the bowl.
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LBZ CCSB 4x4. deleted. re-routed. shimmed. EFI by Kory 4" MBRP downpipe-back w/Corsa. Alligator trans cooler hoses. 3" Pro-Fab downpipe. Transgo Jr. Banks ram air intake. MA pump rub fix. Rare Parts tie rods. Fumoto Valve. AirDog 150. Nicktane CAT filter adapter. SoCal 3388AF. ProFab charge pipe & Y-bridge. Mahle +0.020 pistons. Keyed cam & crank. ARP head studs, main studs, flywheel. Rotating assembly balanced. Merchant Auto motor mounts.

10/30/14- cracked piston
03/14/15-Back from the dead
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  #130  
Old 01-02-2016, 08:11 PM
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Quote:
Originally Posted by MAXX IT OUT View Post
Jon, I am looking at getting a block honed in preparation for a set, what bore spec do you recommend for your pistons. Just not sure if I will need to bore it , or spec to shoot for.
Each sets gonna be different. There is a bore spec sent with them to go off of. But some builders use there own clearences. .
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